WorksheetsBacterial Growth and Antibiotic Resistance
Total questions: 7
Worksheet time: 4mins
Fill in the blank: The LB+str plate is used to test for resistance to ______.
A) Ampicillin
B) Streptomycin
C) Both A and B
D) Neither A nor B
After adding a drop of each culture on the mating plate, what do you use the 3rd sterile inoculating loop?
Mix the two drops together
Prop the petri dish lid open
Get more of one of the samples
Cut into the agar of the mating plate
Fill in the blank: The temperature of the incubator used in the experiment is ______ °C.
25
37
50
100
What is the correct distance to place a drop of Strain II from the drop of Strain I on the mating plate?
1/4 inch
1/2 inch
1 inch
2 inches
Fill in the blank: Incubate the plates overnight at 37°C, or for 24–48 hours at ________ temperature.
room
cold
warm
hot
How much do you open the lid of the petri dish?
Take it off and put it on the table
Take it off but don't put it on the table
Barely enough to get the inoculating loop through
Just enough to complete the task
How long to do wait to flip the plates upside down?
Long enough for the liquid to absorb
5 seconds
30 minutes
24 hours
